I posted sometime ago about setting up my 3G modem in Fedora. I have a Hauwei E169 modem which I got from Optus. I had no problem setting it up and getting online, it just worked.
Unfortunately the same can’t be said for the Optus 3G network. I had heard reports of it being overloaded and it seems that is the case. To be fair when it works it work well but that is less than 50% of the time. It is not unusual to have it drop out and then need to reconnect several times while checking mail or the Fedora forums. It wasn’t always like this though, when I first got it it was great.
Thinking it may be a Fedora / Linux problem I plugged it in to a XP box today to give it a run. I hadn’t used that computer for a while and so decided to install Firefox 3. The download took quite a few minutes, 15 at least. I watched the speed in the Optus software and it rarely got up to 50 Kb/s often under 20. It also sat at zero for some time on several occasions although the Optus software didn’t show it as having no signal. It did finally drop out while I was trying to update the extensions I had installed. I couldn’t get it to reconnect.
When I contacted support they were helpful but wanted to treat it like a setup problem and were unwilling to admit the problems is with their system.
My conclusions are it runs faster under Fedora when it runs. The service is probably overloaded and getting worse. Linux’s NetworkManager is more likely to show it as having no signal. My advice to anyone thinking of getting Optus 3G is don’t bother.